70901628 has 144 divisors (see below), whose sum is σ = 209944224. Its totient is φ = 18493440.

The previous prime is 70901603. The next prime is 70901629. The reversal of 70901628 is 82610907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70901629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 409750 + ... + 409922.

It is an arithmetic number, because the mean of its divisors is an integer number (1457946).

Almost surely, 2^70901628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70901628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104972112).

70901628 is an abundant number, since it is smaller than the sum of its proper divisors (139042596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70901628 is a wasteful number, since it uses less digits than its factorization.

70901628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 70901628 is about 8420.3104455833. The cubic root of 70901628 is about 413.8904468696.

The spelling of 70901628 in words is "seventy million, nine hundred one thousand, six hundred twenty-eight".